Byumba weather in January

In January, Byumba sees average daytime highs of 23°C and overnight lows near 14°C, with 123 mm of rain across 16.6 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 6% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Byumba's 7th-clearest and 7th-windiest month. For the whole year in context, see Byumba's year-round climate.

Daytime high
23°
4th warmest
Overnight low
14°
6th coldest
Rainfall
123 mm
16.6 wet days
Daylight
12 h 06 min
6:07 AM – 6:11 PM
Cloud cover
77%
7th clearest
Wind
6 km/h
7th windiest
Solar energy
5.46 kWh/m²
Travel score
5.6
out of 10

Byumba is the first hospital in gicumbi district.

Founded
1925

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical January day in Byumba reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262314
272314
282314
292414
302414
312414

Byumba weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 14°12316.612.15.6
Feb24° / 14°12014.612.15.7
Mar23° / 14°18923.1124.6
Apr22° / 14°20326.9123.8
May22° / 14°13119.511.95.1
Jun22° / 14°27511.97.1
Jul23° / 14°101.611.97.8
Aug23° / 14°47711.97.1
Sep23° / 14°9014.2125.9
Oct23° / 14°16221.7124.7
Nov22° / 14°18024.112.14.2
Dec22° / 14°14519.912.15.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
41981
51981
61981
71981
81981
92080
102080
111981
121981
131981
141882
151882
161882
171882
181882
191882
201981
211981
222080
232179
242179
252377
262377
272377
282575
292575
302575
312575

Chance of precipitation in January

Any precipitation

Byumba gets around 123 mm of rain over 16.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 53% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
255
356
456
556
656
756
856
956
1056
1156
1256
1355
1455
1554
1654
1753
1853
1953
2052
2152
2251
2351
2451
2550
2650
2749
2849
2948
3048
3148

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the comfortable band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
121772
221763
322753
422753
522753
622753
723734
823734
924724
1024724
1124724
1224715
1324715
1425705
1525705
1625705
1725714
1825714
1926704
2026704
2126704
2227694
2327703
2428693
2529683
2630673
2730673
2831654
2932644
3032644
3133634

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:00 AM to 6:11 AM, and sunset from 6:06 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:006:06
212.16:016:06
312.16:016:06
412.16:026:07
512.16:026:07
612.16:026:08
712.16:036:08
812.16:036:09
912.16:046:09
1012.16:046:09
1112.16:056:10
1212.16:056:10
1312.16:056:10
1412.16:066:11
1512.16:066:11
1612.16:076:11
1712.16:076:12
1812.16:076:12
1912.16:086:12
2012.16:086:13
2112.16:086:13
2212.16:096:13
2312.16:096:14
2412.16:096:14
2512.16:106:14
2612.16:106:14
2712.16:106:14
2812.16:106:15
2912.16:116:15
3012.16:116:15
3112.16:116:15

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 5.68 kWh/m² in February across the year — January's 5.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in January

Is January a good time to visit Byumba?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
6th-best month of the year
4.4
Beach & pool
6th-best month of the year

January is a reasonable time to visit Byumba for sightseeing.

What to pack for Byumba in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Byumba sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Byumba in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Byumba peaks around March 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 16Jun 20UV 11
UV index (midday)Level
Jan12Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Byumba in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Byumba is worst in January — around 99 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 2299 µg/m³May 1181 µg/m³
PM2.5 (µg/m³)Level
Jan99Unhealthy
Feb98Unhealthy
Mar88Unhealthy
Apr82Unhealthy
May80Unhealthy
Jun95Unhealthy
Jul91Unhealthy
Aug87Unhealthy
Sep83Unhealthy
Oct81Unhealthy
Nov86Unhealthy
Dec93Unhealthy
Location & terrain

Where is Byumba?

Byumba sits at 1.6°S, 30.1°E, 2,263 m above sea level, in Rwanda. The nearest listed city is Shyorongi, 33 km away.

ShyorongiKabaleKigaliNyagatareUmutaraNderaKamuhanda / RuyenziMusanze

Topography around Byumba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Byumba.

Within 3 km, the terrain around Byumba has significant variations in elevation — a maximum elevation change of 460 m around an average of 2,056 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,016 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,280 m.

The land around Byumba is covered by trees (37%), cropland (24%) and shrubs (21%) within 3 km, trees (36%) and cropland (33%) within 16 km, and cropland (33%), trees (27%) and grassland (27%) within 80 km.

3 km
460 m
16 km
1,016 m
80 km
3,280 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Shyorongi 33 km · Kabale 37 km · Kigali 42 km · Nyagatare 42 km · Umutara 42 km · Ndera 43 km · Kamuhanda / Ruyenzi 44 km · Musanze 49 km

Rwanda travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$1,124
2025
Happiness
3.3 / 10
World Happiness, 2021
Homicide rate
3.6
per 100k, 2020
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 417
Religion
Catholic 40%Pentecostal 21%Protestant 15%Adventist 12%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Byumba (-1.5763°, 30.0675°, elevation 2,263 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).